Home / 37,689.48-56,535.42-18,959.28

Finding the Fourth Proportional to 37,689.48, 56,535.42 and 18,959.28

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Solution

The fourth proportional to 37,689.48, 56,535.42 and 18,959.28 is: 28,439.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,689.48 : 56,535.42 = 18,959.28 : x
  2. Step 2: Convert to fraction form
    37,689.48/56,535.42 = 18,959.28/x
  3. Step 3: Cross multiply
    37,689.48x = 56,535.42 × 18,959.28
  4. Step 4: Simplify right side
    37,689.48x = 1,071,870,857.70
  5. Step 5: Solve for x
    x = 1,071,870,857.70/37,689.48
  6. Step 6: Final answer
    x = 28,439.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.